[Bug c++/44277] [C++0x] Add warning to facilitate nullptr conversion.

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44277

--- Comment #5 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-10-17 
23:29:00 UTC ---
Humm, I already see something wrong in my wild idea: the patchlet triggers also
in conditionals, eg 'if (!p)'...